x+y=39 and 4x + 2y =132
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Answered by
3
x+Y=30
4x+2y=132
multiply 1 by 2 and substract from 2
4x+2y=132
2x+2y=78
- - -
2x=54
x=27
y=15
4x+2y=132
multiply 1 by 2 and substract from 2
4x+2y=132
2x+2y=78
- - -
2x=54
x=27
y=15
Answered by
1
x+y=39. 1
4x+2y=132. 2
Now,
Multiply by 2 in eq 1
So,. 2x+2y=78
4x+2y=132
-. -. -
-2y. =-64
y=32. (-2=-64. 2=64)
Put the value of y in eq1
x+32=39
x=7
4x+2y=132. 2
Now,
Multiply by 2 in eq 1
So,. 2x+2y=78
4x+2y=132
-. -. -
-2y. =-64
y=32. (-2=-64. 2=64)
Put the value of y in eq1
x+32=39
x=7
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